// Date
let someDate = new Date()

// Date.now()
// console.log(someDate.getDay())
// console.log(someDate.getFullYear())
// console.log(someDate.getDate())
// console.log(someDate.getHours())
// console.log(someDate.getSeconds())
// console.log(someDate.getTime())
// let date2 = new Date(2020, 1, 1)
// console.log(34214400000 / 31536000000)
// console.log(34214400000 % 31536000000 / 86400000)